A. True This is a recognized adverse effect of strenuous training over weeks or months.
B. True Amenorrhoea is likely when body weight falls markedly below the normal value.
C. False It is usually a hypothalamic response to a reduction in the body’s energy stores which are sensed in the hypothalamus.
D. True As at the menarche, reproductive activity, including ovulation and menstruation, generally depend on attaining a normal adult body mass, including fat stores.
E. False This is the normal female body fat level.